🕵️♀️ Task
The count method allows us to calculate the specific number of records that exist within an ActiveRecord::Relation.
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| id | title | year | duration | description | image | director_id |
|---|
| id | name | dob | bio | image |
|---|
| id | name | dob | bio | image |
|---|---|---|---|---|
| 80 | Chin Han | 1969-11-27 | Named one of Asia's 25 grea... | http://ia.media-imdb.com/im... |
| 81 | Nestor Carbonell | 1967-12-01 | http://ia.media-imdb.com/im... | |
| 82 | Eric Roberts | 1956-04-18 | One of Hollywood's edgier, ... | http://ia.media-imdb.com/im... |
| 83 | Ritchie Coster | 1967-07-01 | http://ia.media-imdb.com/im... | |
| 84 | Anthony Michael Hall | 1968-04-14 | From humble showbiz beginni... | http://ia.media-imdb.com/im... |
| 85 | Martin Balsam | 1919-11-04 | Martin Henry Balsam was bor... | http://ia.media-imdb.com/im... |
| 86 | John Fiedler | 1925-02-03 | Typical of busy character a... | http://ia.media-imdb.com/im... |
| 87 | Lee J. Cobb | 1911-12-08 | Lee J. Cobb, one of the pre... | http://ia.media-imdb.com/im... |
| id | actor_id | movie_id | name |
|---|---|---|---|
| 89 | 83 | 6 | Chechen |
| 90 | 84 | 6 | Mike Engel |
| 91 | 85 | 7 | Juror #1 |
| 92 | 86 | 7 | Juror #2 |
| 93 | 87 | 7 | Juror #3 |
| 94 | 88 | 7 | Juror #4 |
| 95 | 89 | 7 | Juror #5 |
| 96 | 90 | 7 | Juror #6 |
Count how many records are in the customers table.
Customer.all.count
=> 327
Count how many records are in the products table.
Product.all.count
=> 183946